Under base employ of the coated urea, the total N concentration of farm surface water was near the contract level, and the possibility via runoff was very little.
结果表明,包膜尿素在基施情况下,田面水总氮浓度始终接近对照水平,通过径流损失的可能性很小。
There are low precipitation and high evaporation in Xinjiang while water surface evaporation main stem from water loss of river runoff.
新疆降水稀少、蒸发强烈,水面蒸发是河川径流水量损失的主要组成部分。
Phosphorus fractions could enter water body from surface runoff and leachate due to excessive irrigation of centralized farm wastewater.
养殖场污水田间处理会引起土壤表面径流和渗出液中的磷组分流失。
The road runoff characteristics as water harvesting surface plays an important role in the collection and utilization of rainwater.
作为雨水收集面的道路,其产流特性对于雨水收集利用起着重要作用。
But the surface runoff, subsurface runoff, ground water and runoff are mostly effected by precipitation. The temperature influence on them is comparative less.
而地表径流量、次地表径流量、地下径流量及河川径流量主要受降水量变化的影响,受气温变化的影响相对较小。
The rainstorm runoff is one of the major surface source pollution, its control and management is the main content of the regional water quality improvement plan.
暴雨径流是重要的地面污染源之一,对它的控制和管理是区域水质改善计划中的主要内容。
Under field conditions, surface runoff, water infiltration, and drainage should be taken into consideration when designing water demand for crops.
在田间条件下,设计作物需水量时还应考虑地表径流和水分的渗漏与下渗的情况。
The impacts of climate change, groundwater overdraft, surface runoff and food production changes on water resources are analyzed.
分析了气候变化、地下水超采、地表径流及粮食产量变化等方面对水资源的影响。
Surface water resources characteristics, such as rainfall, runoff, water quality and so on, were analyzed using the long-term observation data in Yantai City.
根据烟台市多年统计资料,从降水、径流、水质、蒸发等方面对水资源特性进行了分析。
Rainfall-runoff simulation is the very important technique for soil erosion, non-point source pollution, surface water balance calculation and some other study fields.
降雨径流模拟是土壤侵蚀、非点源污染、地表水量平衡计算等众多研究领域的非常重要的技术手段。
Stormflow consists of phreatic water, surface runoff and weather horizon-passing rain. The rise and drop of their discharge are consistent with that of the river discharge after rain.
潜水河雨后地表径流由地表下潜水、雨水地面上径流、雨水风化层径流构成,三部分水均随河道流量的增减而增减。
The effects of soil and water conservation on surface runoff process in small watersheds of the Qinba mountainous region are analyzed by the parallel observation in two comparable watersheds.
采用小流域平行对比法,分析秦巴山区小流域的次降雨洪水过程,研究了水土保持综合治理对小流域洪水的作用过程。
The pollution impact to the surface water bodies caused by urban runoff has received more and more attention.
城市地表径流对地表水体造成的污染影响已越来越受到人们的关注。
Storm water samples collected from an urban road in Xi′an City show that the urban road surface runoff has much greater pollution intensity of SS and COD and possess less biodegradability.
对西安市南二环路雨天路面径流排水进行了连续取样监测,表明城市道路路面径流污染物SS和COD具有很高的污染强度,且生物可降解性较差。
How to cut down the surface runoff, to exterminate or to reduce the disaster of urban water logging, protect the city's water ecosystem environment, have become an important topic concerned widely.
如何有效地削减暴雨径流,减少或根除城市水涝灾害,保护好城市水生态环境,已成为一个广受关注的重大课题。
The concentrations of nitrogen and phosphorus in runoff water is higher than that in infiltrated water. Surface runoff is the main way of nitrogen and phosphorus losses under the condition.
径流液中各形态氮、磷浓度远高于渗漏液,而两种流失方式下排水量差异不显著,故地表径流是该条件下氮素和磷素流失的主要方式。
It is serious water shortage in agricultural production and rural development in one hand; seriously water and soil erosion has caused the losses of plenty of surface runoff in another hand.
一方面,农村生活及农业生产严重缺水,另一方面,强烈的水土流失又使得大量地表径流流失。
It was significant to study the nitrogen and phosphorus losses from surface runoff in double cropping rice filed for guiding the rational fertilizer and protecting water environment.
研究双季稻田不同施肥量处理的氮磷降雨径流损失规律,对于指导双季稻合理施肥、保护水环境具有重要的现实意义。
Forest litter has considerable eco-hydrological effects in retarding surface runoff, trapping sediment, and equilibrating soil water and heat status.
森林凋落物具有阻滞径流、拦截泥沙和均衡土壤水热状况等功效。
Forest litter has considerable eco-hydrological effects in retarding surface runoff, trapping sediment, and equilibrating soil water and heat status.
森林凋落物具有阻滞径流、拦截泥沙和均衡土壤水热状况等功效。
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